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Chapter 8By Jonathan Huddleston
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8-1 Vocab.
Geometric Mean- The positive square root of the product of two positive numbers
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8-1 Example Problems
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8-2 Vocab.
Trigonometric Ratio – a ratio of two sides of a right triangle.
Sine – the ratio of the length of the leg opposite the angle to the length of the hypotenuse.
Cosine – the ratio of the length of the leg adjacent to the angle to the length of the hypotenuse.
Tangent – the ratio of the length of the leg opposite the angle to the length of the leg adjacent to the angle.
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8-2 Example Problems
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8-3 Example Problems
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8-4 Vocab.
Angle of elevation – the angle formed by a horizontal line and a line of sight to a point above the line.
Angle of depression – the angle formed by a horizontal line and a line of sight to a point below the line.
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8-4 Example Problems
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8-5 Example Problems
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8-6 Vocab.
Vector – a quantity that has both length and direction.
Component form – lists the horizontal and vertical change from the initial point to the terminal point of a vector.
Magnitude – the length of a vector
Direction – the angle that the vector makes with a horizontal line.
Equal vectors – vectors that have the same magnitude and the same direction.
Parallel vectors – two vectors that have the same direction or of they have opposite directions.
Resultant vector – the vector that represents the sum of two given vectors.
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8-6 Example Problems
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Quiz
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Answers
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